Well, it’s not quite networking, but you can connect two PCs via USB with one of these USB Go Link things. It provides an easy way to swap data between two machines as well as syncing files and Outlook. It can also be used to control another PC via the internet (details are sketchy). Best of all it has built-in 4-in-1 card reader so you can share your memory cards easily across machines. Doesn’t sound too bad for US$26.
The USB GO! Link cable allows you to share the computer resources between 2 computers in an easy ways. Go! Bridge – Direct transmission between two computers and sharing of data. Remote Share – Using another computer on the Internet on-line and CD-ROM DVD. Folder Sync – Between the two computers will be used by a number of documents N sync. Outlook Sync – Between two computers in the Microsoft Outlook mail contacts calendars diaries and notes synchronization. Card reader Share – Built-in a 4-Slot card reader that allow users to access the most common memory card and share it in 2 computers.